The Application Wizard will open. Click next. Once it detects your device (it may show "COMX" or "Unknown"), reinsert the battery immediately.
You will need the latest BlackBerry Desktop Software and the specific OS file ( .exe ) for the 9720. blackberry 9720 device software download better
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Users consistently report:
The BlackBerry 9720 runs OS 7.1. Look for "AllLang" or "Multilanguage" bundles to ensure you have the correct language packs. You will need the latest BlackBerry Desktop Software
: If the device is running poorly, use the "Update" or "Reload" function within the Desktop Software. This will rewrite the OS and often fix "better" performance issues.
If the device hangs on the BlackBerry logo, the downloaded file may be corrupted. Download an alternative build version from a different source and re-flash the phone. To help you get your phone running perfectly, tell me: What operating system is your computer running?